Tagged Notes
Data quality
Dimata’s 39.1 km/h: Why a Speed Peak Is Not Speed Ability
Why a sampled peak cannot stand in for repeatable sprinting ability or match speed.
FotMob’s Premier League Physical Data: Sources, Definitions and Comparison Risks
Why season totals cannot explain intensity without collection methods, effective playing time and match context.
An Elegy for Mendilibar, a Lament for Football Data Analysis: Notes on the Practice of Football Data Analysis (III)
Why numbers need context when they are used to explain a coach and his football.
Notes on the Practice of Football Data Analysis (II): A Scouting Approach Based on Physical Data
How physical data can inform recruitment without reducing players to a single profile.
Notes on the Practice of Football Data Analysis (I): Levels of Data-Quality Requirements and Their Limitations
A practical framework for judging what football data can and cannot support.